154 NEW YORK STATE MUSEUM 
narrowly annulate with silvery white, those on the posterior tarsi 
broad, the most of the fourth and fifth segments yellowish white- 
Bred May 18, 1907 from a stem gall much resembling that of 
Lasioptera desmodii Felt and taken in open woods at 
Nassau, N. Y. 
Type Cecid. a1477, N. Y. State Museum. 
Choristoneura eupatorii n. sp. 
Male. Length 1.75 mm. Antennae extending to the base of 
the abdomen, sparsely haired, dark brown, the basal segments 
sparsely clothed with silvery scales ventrally, 17 segments; eyes 
black, margined posteriorly with silvery white. Mesonotum dark 
brown or black, the submedian lines sparsely clothed with fine 
hairs. Scutellum dark brown, postscutellum yellowish or fuscous 
brown. Abdomen dark brown with submedian rows of small, 
lunate, silvery white spots, the markings being on the posterior 
margin of the first to sixth segments, the terminal segments fuscous 
yellowish, the venter suffused with silvery white scales. Halteres 
pale yellowish. Legs dark brown, the first tarsal segment and 
narrow basal annulations on the second to fifth, white. 
Female. Length 2.5 mm. Antennae with 23 segments. The 
other color characters about as in the opposite sex. 
Bred May 2, 1907 from an oval or subglobular swelling on the 
stem of presumably Eupatorium ageratoides, thickly 
packed with numerous Cecidomyid larvae in closely webbed 
cocoons. Rather rare on Staten Island. 
Type Cecid. a1413, N. Y. State Museum. 
Choristoneura flavolunata n. sp. 
Female. Length 2.; mm. Antennae extending to the base of 
the abdomen, sparsely haired, dark reddish brown, 21 segments; 
face reddish: brown, sparsely clothed with whitish scales, mouth 
parts fuscous apically. Mesonotum dark brown, almost black, 
the base of the wing insertions reddish. Scutellum dark brown, 
with a few yellowish setae apically, postscutellum and abdomen 
dark brown, almost black, the incisures of the latter dusky reddish, 
the dorsum of the eighth segment and the ovipositor fuscous yel- 
lowish; laterally, though hardly ventrally there is a broken band 
of five somewhat conspicuous subquadrate patches of silvery white 
